C major chord
The three notes, the three ways to stack them and which fingers to use.

The short answer
The notes of the C major chord are C, E and G.
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On the keys
Yellow is the root, the note the chord is named after.
On the staff
The C major chord in root position. The treble clef is the right hand; the bass clef is the same chord an octave lower for the left.
Inversions
An inversion keeps the same three notes and changes which one is lowest. The C major chord has a root position and two inversions, and all three still sound as C major.
- Root positionC E Gright hand 1 3 5, left hand 5 3 1
- First inversionE G Cright hand 1 2 5, left hand 5 3 1
- Second inversionG C Eright hand 1 3 5, left hand 5 2 1
Keep going
Questions
How do you build a C major chord?
Start on C, add the major third (four semitones) above it, which is E, then the perfect fifth above the root (seven semitones), which is G.
How many inversions does a C major chord have?
Two: first inversion puts E at the bottom and second inversion puts G at the bottom. With root position that makes three ways to play the same chord.
Practise C major and the chords around it in PlayPiano, a piano practice app for iPhone and iPad.
Play it in the app